Exercise 1. Find where in the text it is said about the points given below. Put down the number of a paragraph

a) metallurgy as;

b) the properties of metals;

c) heat treatment;

d) deformation and failure.

Exercise 2. Match the words on the left with their definitions on the right.

Exercise 3. Find the terms in the text which describe the following:

1. Metals that can be deformed and bent without fracture are…

2. Metals that can be drawn into wire are …

3. Control of the nature of the grains and their size in the metal is …

4. The slow increase in length under stress…

Exercise 4. Answer the following questions in the text. Find answers in the text. Put down the number of the paragraph.

1. What are metals and what do we call metallurgy?

2. Why are most metals dense?

3. Why are metals malleable?

4. What is malleability?

5. What are grains?

6. What do the properties of metals depend on?

7. What changes the size of grains in metals?

8. What are the main processes of metal forming?

9. How are metals worked?

10. What is creeping?

Exercise 5. Say if the following statements are true or false:

1. The study of the production and properties of metals is known as metallurgy

2. The separation between the atoms in metals is big, so most metals are dense.

3. Lead is hard and can be bent by hand.

4. The properties of the metals depend on the size, shape, orientation and composition of these grains.

5. Alloying changes the grain structure and properties of metals.

6. All metals can be formed by annealing.

7. Metals can be worked using machine-tools.

Exercise 6. Explain the difference between alloying and creeping.

Exercise 7. Define the main properties of metals.

Exercise 8. Make up a plan covering the main ideas. Discuss the text according to the plan.